I've had a number of people asking me for these calculations, but because they use exponents, they will not display correctly if I post them in the forum.

So... if you want them, send me your e-mail address and I will send them to you as an MS-Word attachment which will display them correctly. Take my advice on this one: Put the calculations in a spreadsheet and use them that way. Some of the calculations are long and complex which makes errors easy to produce when using them manually.